| 单词 | atomic weight |
| 释义 | atomic weight noun[CorU] chemistryspecializeduk/əˌtɒm.ɪk ˈweɪt/us/əˌtɑː.mɪk ˈweɪt/anothertermforrelative atomic massspecialized 原子质量Measurements of weight & mass
Examplesofatomic weightatomic weight He was the discoverer ofatomicweightand all physical science and a great deal of chemical science since has been built on his work. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Atomicweightdefinitions start at greater than sodium (22.98) to greater than 40. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.This procedure enabled chemists to determine the new element'satomicweight. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Copper has a density of 8.94 g/cm, and anatomicweightof 63.546 g/mol, so there are mol/m. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Equivalent weight has the dimensions and units of mass, unlikeatomicweight, which is dimensionless. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It is numerically equal to the relative atomic mass (oratomicweight) in grams. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.By contrast, there is less variation in naturally occurring hydrogen so the averageatomicweightis known more precisely. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Her research focus was on aromatic acids and theatomicweightof palladium. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.However,atomicweight, ie, relative atomic mass, is a dimensionless quantity, and can not take the units of grams per mole. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.However, as noted in the introduction,atomicweightand standardatomicweightrepresent terms for averages of isotopic abundances, not for single nuclides. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Work on organizing the elements byatomicweighthad hitherto been stymied by inaccurate measurements of the atomic weights. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Hydrogen-1, the lightest isotope of hydrogen and the atom with the lowest mass, has anatomicweightof 1.007825 u. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The groups are horizontal, the elements are in order of increasingatomicweightand there are vacant slots for undiscovered ones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These radicals have low atomic weights while the persulfate molecule has a highatomicweight(238). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.It could be added thatatomicweightis often not truly atomic either, as it does not correspond to the property of any individual atom. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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